{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "While these findings may reflect the sensitivity of a thick myocardial wall to ischaemia during surgery , the postoperative recovery was not related to the serum CK - MB level ."}
{"GENE": ["serum CK - MB"]}